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Report: men's 400m final – Rio 2016 Olympic Games| News
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Olympic champ Wayde van Niekerk back running, hopes to defend title in Tokyo | CBC Sports
Steve LEWIS - 1988 Olympic Games 400m Champion. - U.S.A.
2008 Olympic Champion LaShawn Merritt Returns To 400-Meter Podium, Earns Bronze
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Wayde van Niekerk wants to become the first man to break 43 seconds in 400m | Watch Athletics
Olympic sprinter Michael Johnson sufferers ministroke
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Athletics at the 2008 Summer Olympics – Men's 400 metres - Wikipedia
Reigning 400m Olympic champion Van Niekerk tests positive for coronavirus- The New Indian Express
Wayde van Niekerk smashes Michael Johnson's record to claim 400m gold | Sport | The Guardian
Olympic 400m champion Van Niekerk tests positive for COVID-19 - SHINE News
Olympic Track and Field 2016: Men's 400M Medal Winners, Times and Results | Bleacher Report | Latest News, Videos and Highlights
Olympic champion Muhammad breaks 400m hurdles world record
Men's 400m world record holder Wayde van Niekerk has COVID-19 | Buzz
400 Metres
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400m Olympic champion Sonya Richards-Ross. (ATR / Panasonic Lumix) Add Around The Rings on www.Twitter.com/AroundTheRin… (With images) | Olympic champion, Olympic games, Olympics
Olympic 400m champion LaShawn Merritt banned for 21 months | Athletics News | ESPN.co.uk
Michael Johnson: Four-time Olympic champion recovering after 'mini-stroke' - BBC Sport
South African beats Michael Johnson's 17-year-old 400m world record for gold – The Denver Post
Report: men's 400m final – Rio 2016 Olympic Games| News
Olympic champion Muhammad smashes women's 400m hurdles world record - Sports - The Jakarta Post
![Kirani James [GRN] - Men's 400m | Champions of London 2012 - YouTube](https://i.ytimg.com/vi/_h7gFkvHqTU/maxresdefault.jpg "Kirani James [GRN] - Men's 400m | Champions of London 2012 - YouTube")